Jet augmenter or ejector



may 27 1924.

1,495,185 v J. F. KIRGAN JET AUGMENTER OR EJECTORY Filed Auz. 1s 1 1922 F U U INVENIEOR I I 7 ms ATTO fiEY' in HA 5 5.3.21 si' Li 30E 3. KIRGAN, OF ZI-IILLIPSBUB-G, NEV] JERSEY, ASSIG-NOR 1'13 INGERSOLL-RANIJ UQMPANY, 0F JERSEY CITY, NIB-1V JERSEY, A CDB-IGRATION O KEW JEESE'Z'.

JET AUGEIENTEB 0R EFFECT-43B.

Jipplication filed August 13, 1922.

To allwhom it may concern:

Be it known thntl, Jozm F. Kine-AN, a citizen of the United States, and a residentof Phillipsburg, county of \Varren, State of New Jersey, have invented a certain Jet Augmeni'zer or Ejecior, or". which the followis a specification, accompanied by drewings.

ejecoors, more particularly for augmenting fluid pressure in any desired apparel-us, such. as a condenser, cooler or similar vessel, by n of fluid jets, in which the fluids are separated into a plurality of separate enveloping layers or strata, which later commingle.

The primary object; of the invention is to simplify and improve the construct-ion of the cu inentei' or ejecicr and to cause the steam to he emit-ted from the nozzle in the form of a hollow cylindrical jet or envelope, so that a large area is provided inside and outside of the or envelope of steam for the en treinnient of the air and other vapors from condenser,

A further object is to construct aring nozzle and diffuser of few 1 ertsaml of such hape that they effective y cooperate with cch other to'cause the steam to be emitted from the nozzle in the form of ring jet or envelope surrounding an inner jet of air and senor, the she-cm jet being itself surrounded by an outer envelope of air or Va pcr, the outer envelope of air lacing surrounded by an enevelope of cooling Water.

Another object is to introduce the cooling Water at a point in the difi'user body, and in a manner, which is most effective for cool ing purposes and to obtain a certain conclensing effect-i Furl-her ohgecis will later appear and to encls set forth in KIRYBIIUOD consist-s in the nozzle end tiomor diffuser A of the ejector is cast or.

oiherwiso constructed in one piece, and as shown is formed with the contracted throsc -B having the enlarged outlet (3' at one end This invention relates to jet auginenters or V e features of construction and operation Serial El'o. 582346.

.of che body, prcfewhly surrounded by the securing flange D which may be provided with securing apertures and fasteningmeans (not. shown) ,hy means which the ejector is secured in position on the desired sepsis: tus with which it is so be used, The inle E of the ejector, for air or other vapor, or bosh, is preferably formed separately from the body and extends at an angle the longitudinal axis of the ejector. ln *chis in stance the inlet, E is shown at right angles to said axis and is provided With the se-- curing flange H, The inlet head is threaded to the enlarged diameter poll/ion .l' of the body A as shown as K.

A nozzle aperture L is provided at the top of the inlet heed G the insertion of s nozzle body 0 in axial alignment wilal she throat B. It is important that the nozzle aperture L shall he concentric wil'h the throat oi: the (liiiuscr for good operuiioni The nozzle body 0 is provided with an externally screw threaded portion. P which is adapted to cooperate with a screw threaded portion. Q of the nozzle speriure L for re Inovably connecting the nozzle body to the head G.

A nut R is preferably formed on the outer end of the nozzle body O to facilitate adjustment and also to provide a connection. between an inlet aperture S in the nozzle. body 0 and an exterior source of fluid supply (not shown) but which may be steam. by means of a pipe T. The nozzle flange U is adapted. to bear against 'JllQ head G and "form a sight joint and the meeting surfaces of the mange U- un-cl head 6- are preferably niaill chincd so as to be true with each oshcr, and

the parts are preferably constructed and adjusted with the ou'clet i-he nozzle in proper position relative to the throes 3, although the nozzle body 8 may be adjusted longitudinally in different positions if required by inserting; a spacer in the form. of c Washer or pecking material between the meeting surfaces or she flange l] and the head G,

The nozzle body 0 is formed with en in ner tubular extension V, an outer annular flange W, and an annular chamber X loctween the tubular extension V and flange W. 'The tubular extension V projects slightl beyond the end of the flange W and the outer cylindrical wall of the extension V gradually decreases in diameier toward the ouicr end beginning al; a point justabovemil . passage c till into the of the head G, and

"with. an 13] the end of the flange W. An annular ring or cup Z having it reduced diameter screw threaded portion a is adopted to be threaded 'W' which is provided with internal screw threads Z) for this purpose.

The ring Z surrounds the end of the tubui211. extension V and the opening; in the ring Z is of slightly greater diameter than the widest portion Y of the tubular extension V, so that an annular passage or ring is formed between the ring 2 and tubular ex tension V, this ring 0 gradually increasing in volume beginning at the mint Y. longitudinal passage d locate in one side of the nozzle body 0 maintains communication between the chamber X. and the steam inlet T. The longitudinal cylindrical chamber a formed in the tubular extensionV concentrically with the ring passage 0 communicates with a transverse nozzle body leading from the,

the passage communication Wit the inlet E.

A "tubular nozzle 7, is formed integrally- With the hem. G and this nozzle g'is provided rior convergent-divergentpesssge h and extends into the throat B of the h i A, termins ly in alignment inner end it a point approximateportion J of the hody A, this chambersurrounding the nozzle 7 and being adapted to convey Water or other liquid from on i11 let pipe connection it and the nozzle g as shown at p to the, interior of the dilluscr hotly A. The nozzle 9 islo cuted at a point remote from the nozzle body 0 and the position of the nozzle 9 may be adjusted longitudinally and the vol ume of the annular j may be in: creased in; inter-posing n specer between the head (2 nod the portion)? oi Live steam entering: the nozzle through the steam commotion T, passing through the communicating possage into the annular chsmhcr X and mu thence to the rin in the end of the nozzle,,iesdapte d to new into the throat h and. through the diffuser A. in the iormof an envelope'or ring shown at q surrounding the, air of vapor, or hoth, passine from the inlet E to the end of the chamber Within the headGr and into and through the communicating passages f and e, and out of the passage 5 The envelope of steam is as shown at r. itself surrounded, by outer envelo efof the same medium which flows through the, 1 essoges f and a, this outer envelope being composed iluid from theinlet E flowing around the sides of the nozzle Within the inlet head G and downwardly pastthe end of the nozzle between the interim Wall of the head and nozzle 9, end the envelope of s'teum seen at The mixture flowing A -ilowi'ng through the diffuser passage 7 in the v A J I f is open to with the narrowest portion. of the contracted throat B An annular" .chemoer j is formed with-in theenlarged past the end of I cssery to Obtain the body A.

vpassage adapted to pro'ect an envelope of v and out memes into the throat h thus consists of an outer envelope of air or vapor, surrounding an envelope of steam and a core of vapor or air from the some source 'es the vapor or air of the outer ring. ing strata q, r, sdecrease in volume upon entering-"the convergent-divergent passage h of the nozzle 7, and upon entering the f throat portion B of the diffuser an envelope of 1 cooling water jected past the end of'nozzle'g around the outside of the vapors-us maissQv The mixture thus consistsof an inner core of vapor or Air, an envelopeofv and. an outer envelope of cooling liquid, the mixture beingemittecl from theenlalrged outlet C jvvith all its elements ell'ectively commingled.

The several envelopor'other liquid is pro 76 The] construction of the ring nozzle Spermits theenvclope of steam to present a large area forthe entrainment of theein orothex vapor, both inside and outside of the steam envelope and the provision of the cooling chamber 55 around the nozzle 9 serves to re sent cooled impinging surface forthe steam and other constituents,

steam, an envelope of vapor or air,'80

trod'u'ction oftheficooling liquid, around the outside of the mixtureet the throat This tends to higher efliciency of the aoparatus through the most effective utzilizeti'on of the principles of pressure augmentation and, condensation which the best results, withejectors of the type for is adapted. I v 4 What I elaimis: v

1. A jet augmenter or a body portionhaving it fluid inlet, throat and outlet, a nozzle connected tosaid body portion and extending intosa id sage in said nozzle communicating .with sa d kid opted to-be dmwn,,.i1nennulur passage in said nozzle surrounding said first mentioned fiuiddi erent from the inlet,

vvhich the present invention inlet, a; pas j i into said throat f ere desirable and I P9 ej ector comprising fluid, said envelope of fluid being adapted 33 5 to be surrounded by an envelope 0i inlet fluid and a second nozzlezon said body pertion adjacent said throat forsupplying' to the mixture ofpreviously mentioned fluids a fluid different from either of the other we fluids.

2. A jet eugmenter or ejector comprising e oody throat ortion having a fluid inlet,

et, a nozzle connectedto said body portion and extending into said inlet, a pas m5 sage in said nozzle communicating w1th sai inlet through which air is ado ted to be drawn from said inlet, an 'annu er passage in said nozzle surrounding said air passageadepted to project into said throat an enm inlet through whichlfluid :from said 'inlet is no; i

memes 'velope es-ideteem envelope being edepte to ei'i'feoumie by en envelope of air fzw said inlet anrl a second nozzle 011 said; botly portion adjacent said throat in? supplying $0 the mixture of air eml steam an envelope of liquid.

3. A jet augmenter or ejector comprising e beciy-portion having a fluid inlet, tinroap eaid air passage adapted to project into-said w throat an envelope of steam, said steam envelope being adapted to be surrounded by an envelope of air from said inlet, a second nozzle formed on said body portion and extending into said throat and an annular 20 chamber surrounding said last mentioned nozzle adapted to'be supplied Jvith liquid for pr0jecting an envelope of liquid to the mixture of steam and air.

In testimony whereof I have signed this 25 specification.

JOHN F. IHRGAN. 

